<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1,maximum-scale=1, minimum-scale=1">
    <title>test</title>
    <style>
      *{
        margin: 0 auto;
        padding: 0;
      }
      html,body{
        width: 100%;
        height: 100%;
      }
      #app{
        width: 100vw;
        height: 100vh;
      }
    </style>
  </head>
  <body>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>
